Oddly enough, a website called iPhonedummy.net is selling realistic looking but completely non-functional iPhone dummies for $US20 apiece. As stupid as that sounds, there are a million-and-one uses for this thing.
The most obvious use would be as a cheap, smashable/stompable/blendable/microwaveable prop for film of home videos. I would imagine that practical jokers and modders might also find reasons to spend $US20 on a dummy instead of blowing money on the real deal. At any rate, if you have a creative idea for an iPhone shell, you had better get on it before Apple unleashes the hounds. [iPhone Dummy via MobileCrunch]